OK - so width is definitely more important than length... I'll have to remember that one (although according to the pamphlet you left us under the windscreen wipers, I'm sure they said it was all about the length)!
(sorry, I just couldn't resist)
I must just have odd shaped feet then, cause I've got a block of minicell foam at home that I was going to carve up... I'll let you know how it goes.
steff
